Appendicular skeleton
Definition
The appendicular skeleton consists of the bones of the limbs and the girdles that attach them to the axial skeleton. It includes the pectoral girdle, pelvic girdle, and all bones of the upper and lower limbs.
5 Must Know Facts For Your Next Test
- The appendicular skeleton contains 126 bones.
- It is divided into six major regions: shoulder girdles, arms, forearms, hands, pelvis, thighs, legs, and feet.
- The pectoral girdle includes the clavicle and scapula.
- The pelvic girdle is formed by two hip bones (each called a coxal bone).
- Functions include facilitating movement and supporting weight.
Review Questions
- How many bones are there in the appendicular skeleton?
- What are the primary functions of the appendicular skeleton?
- Which bones make up the pectoral girdle?
"Appendicular skeleton" appears in:
Subjects (2)
Related terms
axial skeleton: Consists of the skull, vertebral column, and rib cage.
pectoral girdle: Composed of clavicles and scapulae; connects upper limbs to trunk.
pelvic girdle: Formed by two hip bones; attaches lower limbs to axial skeleton.
